Results 121 to 130 of about 8,870 (277)

Engineering Trace‐Amount Electrolyte Additives for Aqueous Zinc Batteries

open access: yesAdvanced Energy Materials, EarlyView.
Large‐amount additives primarily modify the bulk electrolyte by coordinating with Zn2+ or reshaping the hydrogen‐bond network, thereby altering the overall solution chemistry. In contrast, trace‐amount additives mainly operate at the electrode–electrolyte interface, regulating Zn deposition through electric double‐layer modulation, interfacial ...
Zhaoxin Li   +9 more
wiley   +1 more source

The Far Side of Carboranes: Anticancer Active Monocations and Ambiently Stable Dications

open access: yesAngewandte Chemie, EarlyView.
This work describes the synthesis of bench‐stable dicationic carboranes. Their enhanced electrophilicity is documented by opening the clusters with weak nucleophiles or dihydrogen. The surprising stability of positively charged carboranes in water enabled a study of their in vitro antiproliferative activity, which surpassed the effects of doxorubicin ...
Vlastimil Němec   +10 more
wiley   +2 more sources

Biological Aspects of Emerging Benzothiazoles: A Short Review [PDF]

open access: yes, 2013
In recent years heterocyclic compounds analogues and derivatives have attracted wide attention due to their useful biological and pharmacological properties.
Nadeem Siddiqui, Ruhi Ali
core   +1 more source

DESIGN, SYNTHESIS AND IN VITRO ANTI-CANCER ACTIVITY OF NOVEL 1,2,4-TRIAZOLE DERIVATIVES [PDF]

open access: yes, 2014
Objective: DNA topoisomerase is one of the important targets for anticancer agents. Many triazole derivatives have been shown to possess cytotoxic activity. In this paper, we present the design and in silico docking of a virtual library of molecules with
K. L., Krishna   +6 more
core   +1 more source

Predicting and Rationalizing Piezoelectricity in Racemic Bioorganic Molecular Crystals

open access: yesAngewandte Chemie, EarlyView.
Racemic molecular crystals, composed of equal mixtures of chiral enantiomeric components, are predicted to exhibit significant piezoelectric responses and favourable mechanical flexibility. This study identifies organic and bioorganic racemates as promising candidates for sustainable, lead‐free materials, enabling next‐generation applications in energy
Shubham Vishnoi, Sarah Guerin
wiley   +2 more sources

ELECTROSPRAY IONIZATION MASS SPECTROMETRY FRAGMENTATION PATHWAYS OF SALTS OF SOME 1,2,4-TRIAZOLYLTHIOACETATE ACIDS, THE ACTIVE PHARMACEUTICAL INGREDIENTS [PDF]

open access: yes, 2018
Objective: The goal of this research was to study fragmentation pathways of series salts of 1,2,4-triazolylthioacetate acids. Methods: The study was done in the Electrospray ionization source with single quadrupole mass spectrometer Agilent 6120 after ...
Andriy, Kaplaushenko   +2 more
core   +1 more source

Biocatalytic Synthesis of Isoxazolines Enabled by Cryptic Nitrile Oxide Formation by a Vanadium‐Dependent Chloroperoxidase

open access: yesAngewandte Chemie, EarlyView.
The vanadium‐dependent haloperoxidase (VHPO) class of enzymes has been shown to catalyze cryptic nitrile oxide generation in an oxidative [3+2] cycloaddition reaction between aldoximes and alkenes to generate isoxazolines. This biotechnology has been applied to a chemoenzymatic sequence starting from aldehydes through in situ condensation with ...
Manik Sharma, Kyle F. Biegasiewicz
wiley   +2 more sources

Construction of Bis-Heterocyclic Energetic Compounds via C–N Coupling Reactions

open access: yesJACS Au
The C-N bonded aromatic compounds have demonstrated potential applications in energetic materials, polymers, agrochemicals, and medicinal chemistry. Developing improved methodologies for the streamlined and economical generation of C-N bonds is highly sought-after.
Yubing Liu   +5 more
openaire   +3 more sources

Navigating Nitration Chemistry: A Practical Guide to Reagents, Mechanisms, and Selectivity

open access: yesAngewandte Chemie, EarlyView.
This review highlights key contributions of modern nitration chemistry, emphasizing sustainable mechanistic platforms and comparing the performance of both organic and inorganic reagents across aromatic, ipso‐, olefin, alkyne, and heteroatom nitration. It provides the community with a clearer, unified perspective on current advances and facilitates the
Harry Lecomte   +2 more
wiley   +2 more sources

Nickel‐Catalyzed Enantioconvergent Arylation of Unactivated Cyclic Electrophiles: Asymmetric Synthesis of 3‐Substituted Pyrrolidines

open access: yesAngewandte Chemie, EarlyView.
Metal‐catalyzed enantioconvergent substitutions of unactivated cyclic electrophiles by organometallic nucleophiles have not previously been reported. Herein, a chiral nickel catalyst is described that achieves this objective, coupling 3‐iodopyrrolidine derivatives with arylzinc nucleophiles.
Ting Hei Matthew Wong   +2 more
wiley   +2 more sources

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